420 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.
Instructions file
Project instructions for building Drogon backends with C++, covering asynchronous request handling, the Trantor event-loop system, and routing work to related skills. Drogon is a C++ web framework, while an event loop runs network work without blocking its processing thread.
Cursor rule
Cursor rule "style" from git-hulk/instructions, covering cursor c++ style rules, formatting, header files, naming and comments.
catiicode/claude-code-awesome-skills
Skill Claude CodeCodex
Use this skill when writing, reviewing, refactoring, or debugging C++ code — especially when the task involves class design, resource management (RAII, smart pointers, new/delete), inheritance hierarchies (virtual destructors, NVI, slicing), move semantics (std::move, std::forward, noexcept), templates (SFINAE, CRTP…
MCP server Claude CodeCodexCursor +2
Local stdio MCP server that serves the WG21 (ISO C++) committee wiki as a verifiable source of truth. Runs locally from the wg21-wiki-mcp Python package.
Cursor rule
C++ intelligence strategy - prefer MCP cpp-analyzer over brute-force search.
Instructions file
Claude Code instructions for learningtour/chat-with-audio, covering chat with audio — development notes, commands, architecture map and pitfalls.
harshithsunku/mcp-gtags-server
Instructions file
Claude Code instructions for harshithsunku/mcp-gtags-server, covering claude.md, what this project is, layout, the 11 mcp tools (all in server.py, decorated @gtagstool) and cli.
Instructions file
Repository instructions for cpp-lectures-mcp, a Python project that provides semantic search over C++ lecture transcripts through an MCP server. They describe startup reading, documentation responsibilities, development workflow, and project status.
MCP server Claude CodeCodexCursor
MCP server for Thomson MO5 C development, 6809, CMOC, SDK, toolchain. Runs locally from the @thlg057/mo5-rag-mcp npm package. Needs 1 environment variable to run.
SongJiangzhou/cpp_guidelines_mcp
Instructions file
A set of Chinese-language instructions for developing a C++ code-style MCP server, a service that lets compatible AI tools call code-checking functions and read guidance.
yuzu-octopus/Codebreaker_Solver
Agent
Competitive programming solver subagent for codebreaker.xyz — reads /tmp/stmt .txt, writes solve/ .cpp with the repo template, tests with coderunner, reports. Also serves as fixer when given a judge verdict. Runs on the free opencode-zen/deepseek-v4-flash-free model.
Malkovsky/compiler-explorer-mcp
Instructions file CodexOpenCode
AGENTS.md instructions for Malkovsky/compiler-explorer-mcp, a project described as: MCP for assembly exploration based on godbolt.org or equivalent server.
Joho6666/xiaozhi-windows-agent
Skill Claude CodeCodex
Inspect C/C++ source, search build errors, check Git state, run an allowlisted build or test command, and ask Codex for read-only analysis. Flashing and serial control are intentionally not enabled.
Plugin Claude Code
Bundles 1 skill · 103 tokens together
Production-grade async C++ networking with Boost.Asio / standalone Asio — style selection by Boost version, verified version floors, strand and lifetime rules, CI-verified examples for C++20 coroutine, pre-C++20 callback, and classic ioservice styles.